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Gravity: Digital Infrared Motion Sensor For Arduino (PIR Motion Detection / 110° / 7m Range)
5V plug-and-play PIR motion trigger for lights, alarms, props, and simple automation projects. Best for detecting moving people or animals.
A simple 5V PIR motion sensor for Arduino projects. Detect moving people, pets, or warm objects within up to 7 meters and use the digital output to trigger lights, alarms, sound effects, doors, or other actuators. Power it up and wait 1-2 seconds for the sensor to get a snapshot of the still room. If anything moves after that period, the 'alarm' pin will go low. This sensor checks for infrared heat in it's detecting angle. Human body, pets and several other things emit energy that the sensor is looking for, it compares with the snapshot and if there is a recent change it triggers.
Figure: Gravity: Digital Infrared Motion Sensor For Arduino (PIR Motion Detection / 110° / 7m Range)
Get on with Home alarm security audit gear and experiment with this sensor to get a better understanding about its efficiency and working method. Infrared motion detectors are common all around the world for many different appliances. It's great for an Arduino or home automation project that requires automated motion feedback. Commonly found on automatic trigger light systems, where lights are ON when someone is in range and OFF when no one is around. Save power or trigger other actuators like a door opener or pet feeder.
The delay of sensing is adjustable via the potentiometer on the back of the sensor.
To ease the difficult of using this sensor, a GravityInterface is adapted to allow plug&play. The IO expansion shield is the best match for this sound senor connecting to your Arduino. As this sensor can work at 3.3V which make it compatible with Raspberry Pi, intel edison, joule and curie.
Features
- 5V plug-and-play PIR motion trigger for lights, alarms, props, and simple automation projects. Best for detecting moving people or animals.
- Supply Voltage:5V
- Current:50μA
- Working temperature:0℃～＋70℃
- Output level(HIGH):4V
- Output level(LOW):0.4V
- Detect angle:110 Degree
- Detect distance:7 meters
- Type: Digital
- Supply Voltage:5V
- Current:50μA
- Working temperature:0℃～＋70℃
- Output level(HIGH):4V
- Output level(LOW):0.4V
- Detect angle:110 Degree
- Detect distance:7 meters
- Size:28mm×36mm ( 1.1 in x 1.4 in)
- Weight:25g
- Digital infrared Motion Sensor x1
- Digital Sensor Cable x1
- Motion-triggered lights
- Home alarm experiments
- Interactive props
- Pet feeder or door triggers
By following this project it will help to grow a vegetable garden, and automate some other processes in our house along the way.
List of basic hardware to setup an AutoEco Sys:
Project 2. How to Make an Automatic Christmas Tree
With all the lights and decorations that people use at Christmas, power is left on all the time and electricity bills skyrocket. I made this motion detecting Christmas tree light setup that only turns on when people are nearby.
Hardware list:
- PIR Sensor x1
- Bluno x1
- I/O Expansion Shield v7.1 x1
- LED Strip x1
- Relay Switch x1
- Mini mp3 module
- DFSpeaker v1.0
- Regular power extension lead (with some modifications)
- 1k resistors x2
Project 3.How to Make an Mail Alarm
This time using a PIR sensor and an ESP32 to send an email every time that movement is detected.
Hardware components:
- FireBeetle ESP32 IOT Microcontroller *1
- Digital Infrared Motion Sensor For Arduino *1
- Sealed Membrane 4*4 button pad with sticker *1
- 5mm LED Pack (50 pcs) *1
- 220R Resistor *1
- Perfboard *1
Project 4. How To Make LED Kitchen Sink Lights with a PIR Sensor, Arduino, and 3D Printing